Blood Vessel Growth Chamber (IMAGE) Uppsala University Caption A tiny cell cultivation chamber of silicon plastic in which researchers can cultivate blood-vessel-rich tissue and simultaneously create targeted signals that instruct the vessels to go in a certain direction. Credit Photo: Sara Thorslund Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.